#!/bin/sh
#$Id$
#Copyright (c) 2015 Pierre Pronchery <khorben@defora.org>
#This file is part of DaPortal
#This program is free software: you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation, version 3 of the License.
#
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General Public License for more details.
#
#You should have received a copy of the GNU General Public License
#along with this program.  If not, see <http://www.gnu.org/licenses/>.



#variables
DEVNULL="/dev/null"
PROGNAME="daportal-group"
VERBOSE=0
#executables
DAPORTAL="daportal"


#functions
#protected
#error
_error()
{
	echo "$PROGNAME: $@" 1>&2
	return 2
}


#info
_info()
{
	[ $VERBOSE -ne 0 ] && echo "$PROGNAME: $@"
	return 0
}


#usage
_usage()
{
	echo "Usage: $PROGNAME [-qv] -D|-d|-e group..." 1>&2
	echo "  -D	Delete group(s)" 1>&2
	echo "  -d	Disable group(s)" 1>&2
	echo "  -e	Enable group(s)" 1>&2
	echo "  -q	Quiet mode" 1>&2
	echo "  -v	Verbose mode (default)" 1>&2
	return 1
}


#group_delete
_group_delete()
{
	ret=0

	for group in "$@"; do
		$DAPORTAL -f -m group -a delete -t "$group" > "$DEVNULL"
		if [ $? -eq 0 ]; then
			_info "$group: Group deleted"
		else
			_error "$group: Could not delete group"
			ret=$?
		fi
	done
	return $ret
}


#group_disable
_group_disable()
{
	ret=0

	for group in "$@"; do
		$DAPORTAL -f -m group -a disable -t "$group" > "$DEVNULL"
		if [ $? -eq 0 ]; then
			_info "$group: Group disabled"
		else
			_error "$group: Could not disable group"
			ret=$?
		fi
	done
	return $ret
}


#group_enable
_group_enable()
{
	ret=0

	for group in "$@"; do
		$DAPORTAL -f -m group -a enable -t "$group" > "$DEVNULL"
		if [ $? -eq 0 ]; then
			_info "$group: Group enabled"
		else
			_error "$group: Could not enable group"
			ret=$?
		fi
	done
	return $ret
}


#public
#main
action=
while getopts "Ddeqv" name; do
	case "$name" in
		D)
			action="delete"
			;;
		d)
			action="disable"
			;;
		e)
			action="enable"
			;;
		q)
			VERBOSE=0
			;;
		v)
			VERBOSE=1
			;;
		*)
			_usage
			exit $?
			;;
	esac
done
shift $((OPTIND - 1))
if [ $# -le 0 ]; then
	_usage
	exit $?
fi

case "$action" in
	"delete"|"disable"|"enable")
		"_group_$action" "$@"
		exit $?
		;;
	*)
		_error "$action: Unknown action"
		exit $?
		;;
esac